Update issue templates

Author: fkling

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,34 @@
+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Browser (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**astexplorer settings:**
+- Selected parser: [e.g. acorn]
+- Selected transformer (if applicable): [e.g. jscodeshift]
+- Contents of the local storage key `explorerSettingsV1` (code can be removed if you don't want it to be public)
+
+**Additional context**
+Add any other context about the problem here.